note

【Java Silver対策】StringBuilderのdelete・replaceの連続操作を攻略 ️

💡この記事の要約： StringBuilderを使った連続操作（delete()やreplace()）では、インデックスが変化していくことに注意が必要です。順番に追えば、複雑な操作もバッチリ読めます！
InfoWorld

Better than reflection: Using method handles and variable handles in Java

Reflection was essential to the advanced Java toolkit for years. Now it's being superseded by newer, safer options. Here's how to use MethodHandle and VarHandle to gain programmatic access to methods ...